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(11)

EP 1 040 716 A1

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(43) Date of publication: 04.10.2000 Bulletin 2000/40 (21) Application number: 98964586.6 (22) Date of filing: 08.12.1998

(51) International Patent Classification (IPC)7: H04Q 11/04, H04L 12/56 (86) International application number: PCT/SE9802/244 (87) International publication number: WO 9933/312 (01.07.1999 Gazette 1999/26)

(84) Designated Contracting States: DE GB IT SE (30) Priority: 19.12.1997 US 71063 P 09.11.1998 US 188097 (71) Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (publ) 126 25 Stockholm (SE)	(72) Inventors: AGNEVIK, Mikael S-131 48 Nacka (SE) LUNDBÄCK, Arne S-142 43 Skogas (SE) PETERSEN, Lars-Göran S-147 42 Tumba (SE) ÖSTMAN, Mattias S-133 42 Saltsjöbaden (SE) (74) Representative: Wennerholm, Kristian et al Ericsson Radio Systems ABCommon Patent Department 164 80 Stockholm 164 80 Stockholm (SE)